Hire the Best HVAC System Designers in Karachi, PK

✍️ Profile Overview: I am a MEP Design Engineer and AutoCAD Drafting Specialist with over 8 years of experience delivering HVAC, Plumbing, Electrical, and Fire Protection layouts for residential, commercial, and industrial projects. My work is consistently permit‑ready, code‑compliant, and prepared for city reviewer approval. 🔑 What I Offer Clients: - Compliance‑ready documentation – Drawings aligned with NFPA, local building codes, and city standards. - Fast turnaround – Typical delivery within 3–4 days, with milestone‑based submissions for clarity. - Integrated coordination – HVAC, plumbing, and electrical systems designed to avoid clashes and ensure smooth construction. - Polished CAD drafting – Clean, dimensioned layouts ready for contractors and reviewers. 📂 Portfolio Highlights: - Residential villa design package (site plan, floor plan, interior elevations) - Fire alarm shop drawings with CAD‑ready legend blocks - Laundromat floor plan and combined services layout - Electrical layouts showing power and lighting distribution 💡 Why Clients Choose Me: - Structured, milestone‑based delivery for transparency - Clear communication and professional documentation - Proven track record of successful Upwork and freelance projects.

✅ Top Rated ✅ Master in MEP and Low Voltage Systems Designs ✅ 15+ years of Experience In The Field ✅ 5+ years of Freelancing Experience ✅ 24/7 Availability Top-Rated Electrical, HVAC, Plumbing and low voltage systems designer with over 15 years of experience, including 5 years as a successful freelancer. I specialize in designing and drafting comprehensive low voltage systems—CCTV, access control, data, WiFi, audio-video, and more—along with electrical systems, such as lighting, power distribution, and detailed panel schedules for permits and construction drawings across the U.S. With a deep understanding of U.S. local & Internation codes, NEC, NFPA, IEC and BS, I ensure that every project meets rigorous safety and compliance requirements. Let’s bring your project to life with precision and code-compliant expertise! Our residential and commercial projects, encompassing wood frame, steel, concrete, and ICF construction, are delivered with competitive pricing and exceptional quality.. Thanks

Are you looking for a Expert plumbing engineer who can guarantee hassle-free permit approvals while actively saving you money on material and labor? From initial concept sketches to final permit-ready blueprints, I deliver high-precision, code-compliant plumbing designs optimized for real-world installation. With over 15 years of international experience across the USA, UK, Australia, and the Middle East, I ensure your project moves from design to construction without costly redlines or field clashes. How I Add Value to Your Project: Residential & Multi-Story Housing: Complete water supply and waste networks for Single-Family Homes, ADUs, Tiny Houses, and Multi-Family apartments. My designs prioritize efficient pipe routing to reduce fittings and hot water recirculation loops for instant pressure. Commercial Kitchens, Cafes & Restaurants: Specialized solutions for the food service industry, including precise Grease Interceptor (Grease Trap) sizing and commercial-grade drainage that meets strict health department and municipal standards. Schools & Institutional Facilities: Large-scale plumbing systems for educational buildings, ensuring code-compliant layouts for high-traffic restrooms, labs, and public fixtures. Technical Calculations & MEP Coordination: Precise pipe sizing based on Fixture Unit (WSFU/DFU) loads and detailed Riser Diagrams. I ensure plumbing layouts are 100% clash-free with HVAC and Electrical systems before you break ground. Code & Standards Expertise: USA: IPC (International Plumbing Code) & UPC (Uniform Plumbing Code) UK & Australia: BS EN Standards, CIBSE Guidelines, and AS/NZS 3500 Middle East: Saudi Building Code (SBC) and authority compliance for DEWA, SEWA, and ADDC What You Will Receive: Clean, organized, and layered AutoCAD (.dwg) source files. PDF drawing sets perfectly formatted for permit submission and site construction. Cost-effective engineering that slashes unnecessary material expenses. Let’s bring professional-grade precision and value engineering to your next project. Send me a message today to discuss your requirements! Best, Engr. Adnan Khan Plumbing Design Engineer | AutoCAD Expert

I help MEP consultants, Architects, contractors, builders, and developers with Architecture and MEP BIM modeling, BIM coordination, clash detection, and MEP design and drafting services using Revit, AutoCAD, and Navisworks. I create complete permit sets for both residential and commercial projects, adhering to U.S. standards (IPC, UPC, ASHRAE, NEC, NFPA). My focus is on ensuring accuracy, coordination, and clarity in every project. BIM coordination, MEP modeling, and AutoCAD MEP design permit drafting create clash-free Revit models for construction projects, reducing costs, time, and site errors; BIM LOD 300 to 400. Architectural Revit BIM Modeling As-built Architectural drawings Blueprints to Revit / AutoCAD Convert scanned floor plans from PDF to Revit / AutoCAD Architecture floor plans draw in Revit / AutoCAD 2D, 3D Scan to BIM and Point cloud to BIM MEPF design, shop drawings, and As-Built Drawings: Residential and commercial HVAC system design HVAC supply, ventilation ducts routing design VRF system design, unit selection, and refrigerant pipe sizing Split units, Chilled water systems, AHU and Rooftop Units systems Mechanical plant room design Heating and cooling load calculations VRF HVAC Heating and cooling load calculations Equipments sizing and coordination Water supply distribution Sewer and stormwater Riser diagrams and isometrics Gas piping layouts Electrical Design Lighting & Power Layout Drawings Single Line Diagram (SLD) Panel Schedule & Load Calculations Conduit & Cable Tray Routing Fire Alarm & Low Current Systems Residential & Commercial Electrical Plans Sprinkler system design Fire riser diagrams Fire hydrant and hose reel Coordinated fire protection layouts

⇨I am a Mechanical Engineer with international experience in 3D product design, Design for manufacturing, Prototyping, manufacturing. and Eng consulting. Why Hire Me? ✔ 4+ years on field work +ASME Certified in mechanical design & manufacturing drawings ✔ Production-focused designs with DFM best practices ✔ Clear, precise technical documentation with ASME y14.5 standard for seamless manufacturing ✔ On-time delivery with quality assurance ⇨ Specialized in developing high-performance designs, optimizing mechanical components, and applying AI and precision Eng drawings. ⇨ Successfully delivered multiple projects in product development, tooling design, and industrial manufacturing. Key Skills: ------------ ✅ 3D Mechanical Design, High-precision CAD modeling, assembly design, and GD&T-compliant drawings ✅ Technical Manufacturing Drawings – Detailed fabrication blueprints, tolerance analysis, and DFM (Design for Manufacturing) ✅ Product Development – From concept to production-ready designs, material selection, and prototyping support ✅ Manufacturing Process Expertise – Injection molding, blow molding, sheet metal, and machining drawings ✅ CAD & Modeling Tools – SolidWorks, AutoCAD, Fusion 360 (2D Drafting & 3D Modeling) ✅ Automation & Scripting – Python, MATLAB for design automation and process optimization Services Offered: --------------------- -3D CAD Modeling & Design Optimization, Functional, production-friendly mechanical designs -Technical Manufacturing Drawings, ISO/ASME standards, GD&T, BOM integration -Design for Manufacturing (DFM), Process-aware design improvements -Prototyping & Production Support, Bridging design and manufacturing gaps -Process Optimization, Improving manufacturability for plastics, metals, and assemblies Notable Projects: --------------------- -Improved Gear design for Aircraft to reduce play and enhance gear matching. -Designed robotic arm mechanisms, Gears, and Assembly -Created detailed fabrication drawings for precision machining and assembly -Injection Mold Cooling Channel Design -Developed 3D designs with optimized cooling for faster cycle times -Delivered technical drawings for CNC machining and fabrication -Plastic Structural Design. -Redesigned wall thickness distribution for reduced material waste -Provided manufacturing-ready drawings for production Software & Tools: --------------------- -SOLIDWORKS, AutoCAD, Fusion 360 - GD&T, DFM analysis, tolerance stack-up - Python, MATLAB for design Automation Education: ------------- Mechanical Engineering Why Hire Me? ----------------- ✔ 4+ years on field work +ASME Certified in mechanical design & manufacturing drawings ✔ Production-focused designs with DFM best practices ✔ Clear, precise technical documentation with ASME y14.5 standard for seamless manufacturing ✔ On-time delivery with quality assurance Let’s Work Together! Let’s discuss your project! 📩 Contact me on Upwork to get started

Done Masters in Mechanical Engineering - Energy Systems. I had professional background in the field of Power and Energy Sector, Power Plants etc. prior to the MEP Consultancy. I have been involved in the consultancy profession for 8 years and successfully delivered more than 400 projects in the field of HVAC, Plumbing, Fire Fighting Systems, Water Treatment Plants, RO Plants, Vertical Transportation, Garbage Chute System, Waste Heat Recovery Plants and much more. I have been involved in different nature of projects including but not limited to the Residential, Commercial, Health Care, Industries, Retails, Hospitality etc. I have worked with clients from the USA, Canada, UAE, Pakistan and India. I provide the following services: ✅ Professional CAD and PDF drawings of MEP Systems using AutoCAD ✅ Basic level drawings of MEP Systems using Revit ✅ Detailed HVAC Design and Cooling / Heating Load Calculations using HAP, eQuest, chvac and Revit (beginner level) ✅ Energy Modelling of buildings using HAP, eQuest and Revit (beginner level) ✅ Sizing of Air Conditioning / Ventilation Ductwork. ✅ Hydraulic Calculations ✅ Water Supply Fixture Units and Drainage Fixture Units Calculations ✅ Swimming Pool / Fountain Plumbing Design and Calculations ✅ Stormwater Drainage Design and Calculations ✅ Fire Fighting Pumps, Sprinklers, and Pipe Sizing ✅ Smoke Extraction and Stairwell Pressurization System Design + Calculations ✅ Sizing of all major MEP Equipment (Heat Pumps, Split ACs, VRFs, Fan Coil Units, Air Handling Units, Chillers, Boilers, Cooling Towers, Pumps, Fans, Heat Exchangers) ✅ Design of External Infrastructure Services including road Levels and Slopes for Storm Drain, Channelized Storm Drain Network, Sewerage Network, Water Distribution Network and Natural Gas Distribution ✅ Equipment Schedules ✅ Material take-off and Bill of Quantities